Home / 72,263,788.49-108,399,861.66-20,444,050.26

Finding the Fourth Proportional to 72,263,788.49, 108,399,861.66 and 20,444,050.26

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Solution

The fourth proportional to 72,263,788.49, 108,399,861.66 and 20,444,050.26 is: 30,667,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263,788.49 : 108,399,861.66 = 20,444,050.26 : x
  2. Step 2: Convert to fraction form
    72,263,788.49/108,399,861.66 = 20,444,050.26/x
  3. Step 3: Cross multiply
    72,263,788.49x = 108,399,861.66 × 20,444,050.26
  4. Step 4: Simplify right side
    72,263,788.49x = 2,216,132,219,954,087.25
  5. Step 5: Solve for x
    x = 2,216,132,219,954,087.25/72,263,788.49
  6. Step 6: Final answer
    x = 30,667,257.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.